<template>
	<view>
		<!-- 使用自定义搜索组件 -->
		<view class="my-search-box">
			<my-search @click="gotoSearch"></my-search>
		</view>
		<!-- 轮播区域 -->
		<swiper class="home-swiper" indicator-dots="true" autoplay="true" interval="3000" :duration="1000" :circular="true">
			<swiper-item class="swiper-home" v-for="(item,index) in originData.homeSwiperDatas" :key="index">
				<navigator class="swiper-item" :url="'/subpkg/goods_detail/goods_detail?goods_id=' + item.goods_id">
					<image :src="item.image_src" class="swiper-img"></image>
				</navigator>
			</swiper-item>
		</swiper>
		<!-- 分类导航区域 -->
		<view class="nav-list">
			<view class="nav-item" v-for="(item,index) in originData.nav_list" :key="index" @click="navClickHanlder(item)">
				<image :src="item.image_src" class="nav-img"></image>
			</view>
		</view>
		
		<!-- 楼层区域 -->
		<view class="floor-list">
			<!-- 楼层 item 项 -->
			<view class="floor-item" v-for="(item, index) in originData.floor_list" :key="index">
				<!-- 楼层标题 -->
				<image :src="item.floor_title.image_src" class="floor-title"></image>
				<!-- 楼层图片区域 -->
				<view class="floor-img-box">
					<!-- 左侧大图片 -->
					<navigator class="left-img-box" :url="item.product_list[0].url">
						<image :src="item.product_list[0].image_src" :style="{width:item.product_list[0].image_width + 'rpx'}" mode="widthFix"></image>
					</navigator>
					<!-- 右侧四张图片 -->
					<view class="right-img-box">
						<navigator class="right-img-item" v-for="(item2, index2) in item.product_list" :key="index2" :url="item2.url">
							<image v-if="index2 !== 0" :src="item2.image_src" :style="{width: item2.image_width + 'rpx'}" mode="widthFix"></image>
						</navigator>
					</view>
				</view>
			</view>			
		</view>
	</view>
</template>

<script setup lang="ts">
	import { ref, reactive } from 'vue'
	import {onLoad, onShow } from "@dcloudio/uni-app"
	import badgeMix from '../../../mixins/tabbar-badge.js'
	
	mixins:[badgeMix]
	
	
	// 综合定义方案
	const originData = reactive({
		
		homeSwiperDatas: [],
		nav_list:[],
		floor_list: []
	})
	
	onLoad((option) => {
		getSwiperData();
		getNavList();
		getFloorList();
	})
	
	// 获取首页轮播图数据
	const getSwiperData = async ()=> {
		const {data: res} = await uni.$http.get('https://api-hmugo-web.itheima.net/api/public/v1/home/swiperdata');
		console.log(res);
		if(res.meta.status !== 200) return uni.$showMsg();
		originData.homeSwiperDatas = res.message;
	}
	
	// 获取分类导航数据
	const getNavList = async ()=> {
		const {data: res} = await uni.$http.get('https://api-hmugo-web.itheima.net/api/public/v1/home/catitems');
		console.log(res);
		if(res.meta.status !== 200) return uni.$showMsg();
		originData.nav_list = res.message;
	}
	
	// 获取楼层数据
	const getFloorList = async ()=> {
		const {data: res} = await uni.$http.get('https://api-hmugo-web.itheima.net/api/public/v1/home/floordata');
		console.log(res);
		if(res.meta.status !== 200) return uni.$showMsg();
		res.message.forEach(floor => {
			floor.product_list.forEach(prod => {
				prod.url = '/subpkg/goods_list/goods_list?' + prod.navigator_url.split('?')[1]
			});
		});
		originData.floor_list = res.message;
	}
	
	// nav-item 项被点击时候的事件处理函数
	const navClickHanlder = (item)=> {
		if(item.name === '分类') {
			uni.switchTab({
				url:'/pages/tabBar/cate/cate'
			})
		}
	}
	
	const gotoSearch = ()=> {
		uni.navigateTo({
			url:'/subpkg/search/search'
		})
	}
	
</script>

<style lang="scss">
.home-swiper {
	height: 330rpx;
	.swiper-item,
	.swiper-img {
		width: 100%;
		height: 100%;
	}
}

.nav-list {
	display: flex;
	justify-content: space-around;
	margin: 15px 0;
	.nav-item,
	.nav-img {
		width: 128rpx;
		height: 140rpx;
	}
}

.floor-title {
	height: 60rpx;
	width: 100%;
	display: flex;
}

.right-img-box {
	display: flex;
	flex-wrap: wrap;
	justify-content: space-around;
}
.floor-img-box {
	display: flex;
	padding-left: 10rpx;
}
.my-search-box {
	// 设置定位效果为’吸顶‘
	position: sticky;
	// 吸顶的’位置‘
	top: 0;
	// 提高层级，防止被轮播图覆盖
	z-index: 999;
}
</style>
